I suspect it will make sense to have this update if they can beef it up. Obviously people expect 4K more video modes etc, new sensor better performance. Probabaly won't be cheap though. Only reaon I passed on the A77II was the sensor didn't offer much over the A77, the other improvements whilst worthwhile (buffer, AF modes, tweaking etc) just were not enough to justify the price (which is still pretty high)

Don't know about speed fps is already pretty fast buffer also large. Maybe they will increase it a bit. Hate to say this but if one of my bodies packed up I'd probably buy an A68; not because it appeals much but it would get the job done (and has MFA too). I would like to see an A77III out there

Have to admit I do use GPS a fair if they had an add on that might be suitable. Lack of GPS doesn't bother me on cheap bodies it's something I'd like on higher end ones. The phone method is not nearly as hassle free A77 I just erm take the shot it's already embedded in the files jpegs or raw